<!DOCTYPE html>
<!-- Ensure the embedder page loads unzoomed. The portaled page will set its
     own initial scale factor -->
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<title>raster.html</title>
<style>
  body {
    margin: 0;
  }

  portal {
    width: 400px;
    height: 300px;
  }
</style>
<body>
  <portal src="raster-portal.html"></portal>
</body>
